Digital processing apparatus and method to control multiple pulse width modulation drivers
US5793808A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1995 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Dec 27, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K7/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus and method for controlling a plurality of pulse width modulated devices from a single controller including condition sensors to input the controller, a logic unit to determine the error between the sensed values and the desired values of the conditions and a direct memory access unit which is digitally coded with the error values, the pulse width modulated device being connected to receive the outputs of the direct memory access unit and operable to control the conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.